1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '9e1c1caa6258678b0c94a079fecb1e72', '44.212.93.133', '1711716454', '1711716454', '/shop_content.php?coID=7&XTCsid=937b7cb67e424972a37875d7d9fe8a0c')

[XT SQL Error]